If $O_2$ is consumed more by microorganisms in water,what does it indicate?

  • A
    The water has low organic matter.
  • B
    The water has low inorganic matter.
  • C
    The water has high organic matter.
  • D
    The water has high inorganic matter.

Explore More

Similar Questions

Concentration of $DDT$ in zooplankton is

Acid rain is caused by which of the following?

Why is $CNG$ considered a better fuel than diesel?
$(a)$ It cannot be adulterated.
$(b)$ It takes less time to fill the fuel tank.
$(c)$ It burns more efficiently.
$(d)$ It is cheaper.
$(e)$ It is less inflammable.
Choose the most appropriate answer from the options given below:

Which one of the following pesticides is banned now-a-days?

Which of the following is associated with biomagnification?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo